Cita APA (7a ed.)

de Usabel, F., & Swanson, C. S. (1999). Public Library Services for Youth with Special Needs: A Plan for Wisconsin. Bulletin No. 99231.

Cita Chicago Style (17a ed.)

de Usabel, Frances, y Coral S. Swanson. Public Library Services for Youth with Special Needs: A Plan for Wisconsin. Bulletin No. 99231. 1999.

Cita MLA (9a ed.)

de Usabel, Frances, y Coral S. Swanson. Public Library Services for Youth with Special Needs: A Plan for Wisconsin. Bulletin No. 99231. 1999.